Class: VORuby::STC::V1_30::EllipseType

Inherits:
ShapeType show all
Defined in:
lib/voruby/stc/1.30/stc.rb

Overview

Ellipse shape: center, semi-major, semi-minor axis and position angle; in spherical coordinates defined as the shape cut out of the sphere by a cone with elliptical cross-section.

Direct Known Subclasses

Ellipse, Ellipse2

Instance Attribute Summary collapse

Attributes inherited from RegionType

#area, #coord_system_id, #note

Attributes inherited from SpatialIntervalType

#epoch, #unit

Attributes inherited from CoordIntervalType

#fill_factor, #frame_id, #hi_include, #lo_include

Attributes included from STCReference

#id, #idref, #ucd, #xlink_href, #xlink_type

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from ShapeType

shape_from_xml

Methods inherited from RegionType

region_from_xml

Methods inherited from SpatialIntervalType

spatial_interval_from_xml

Methods inherited from CoordIntervalType

coord_interval_from_xml, #hi_include?, #lo_include?

Methods inherited from STCBaseType

stc_base_from_xml

Methods included from STCReference

#stc_reference_eq, stc_reference_from_xml, #stc_reference_to_xml

Methods included from SerializableToXml

#element

Constructor Details

#initialize(center, semi_major_axis, semi_minor_axis, pos_angle, area = nil, lo_include = true, hi_include = true, options = {}) ⇒ EllipseType

Returns a new instance of EllipseType.



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# File 'lib/voruby/stc/1.30/stc.rb', line 5356

def initialize(center, semi_major_axis, semi_minor_axis, pos_angle, area=nil, lo_include=true, hi_include=true, options={})
  super(area, lo_include, hi_include, options)
  self.center = center
  self.semi_major_axis = semi_major_axis
  self.semi_minor_axis = semi_minor_axis
  self.pos_angle = pos_angle
end

Instance Attribute Details

#center ⇒ Object

Returns the value of attribute center.



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# File 'lib/voruby/stc/1.30/stc.rb', line 5354

def center
  @center
end

#pos_angle ⇒ Object

Returns the value of attribute pos_angle.



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# File 'lib/voruby/stc/1.30/stc.rb', line 5354

def pos_angle
  @pos_angle
end

#semi_major_axis ⇒ Object

Returns the value of attribute semi_major_axis.



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# File 'lib/voruby/stc/1.30/stc.rb', line 5354

def semi_major_axis
  @semi_major_axis
end

#semi_minor_axis ⇒ Object

Returns the value of attribute semi_minor_axis.



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# File 'lib/voruby/stc/1.30/stc.rb', line 5354

def semi_minor_axis
  @semi_minor_axis
end

Class Method Details

.from_xml(xml) ⇒ Object 



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# File 'lib/voruby/stc/1.30/stc.rb', line 5420

def self.from_xml(xml)
  root = element_from(xml)
  
  major_axis = REXML::XPath.first(root, 'x:SemiMajorAxis', {'x' => obj_ns.uri})
  minor_axis = REXML::XPath.first(root, 'x:SemiMinorAxis', {'x' => obj_ns.uri})
  
  self.new(
    Double2Type.from_xml(REXML::XPath.first(root, 'x:Center', {'x' => obj_ns.uri})),
    major_axis ? Double1Type.from_xml(major_axis) : nil,
    minor_axis ? Double1Type.from_xml(minor_axis) : nil,
    PosAngleType.from_xml(REXML::XPath.first(root, 'x:PosAngle', {'x' => obj_ns.uri})),
    *ShapeType.shape_from_xml(root)
  )
end

Instance Method Details

#==(e) ⇒ Object 



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# File 'lib/voruby/stc/1.30/stc.rb', line 5396

def ==(e)
  super(e) and
  self.center == e.center and
  self.semi_major_axis == e.semi_major_axis and
  self.semi_minor_axis == e.semi_minor_axis and
  self.pos_angle == e.pos_angle
end

#to_s ⇒ Object 



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# File 'lib/voruby/stc/1.30/stc.rb', line 5416

def to_s
  "ELLIPSE #{self.coord_system_id || IdRef.new('J2000')} #{self.center} #{self.semi_major_axis} #{self.semi_minor_axis} #{self.pos_angle}"
end

#to_xml(name = nil) ⇒ Object 



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# File 'lib/voruby/stc/1.30/stc.rb', line 5404

def to_xml(name=nil)
  el = super(name)
  
  el.add_element(self.center.to_xml('Center'))
  el.add_element(self.semi_major_axis.to_xml('SemiMajorAxis')) if self.semi_major_axis
  el.add_element(self.semi_minor_axis.to_xml('SemiMinorAxis')) if self.semi_minor_axis
  el.add_element(self.pos_angle.to_xml('PosAngle'))
  
  collapse_namespaces(el)
  el
end